US3180970A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fusion welding process, apparatus and product
Assignee: Union Carbide Corp
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Filing: 1963-10-23
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Granted: 1965-04-27
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Expires: 1983-10-23
Abstract
No abstract record available.
Inventors
- 👤 Hiram B Gilson
- 👤 Harry I Shrubsall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:05
CPC Classifications
E; E01; E01B; E01B11/00; E01B11/44; E01B11/50; B; B23; B23K; B23K9/00; B23K9/02; B23K9/038; B23K2101/00; B23K2101/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
METHOD OF FUSION WELDING SUBSTANTIALLY HORIZONTAL PRIMARY METAL MEMBERS HAVING HORIZONTALLY SPACED SUBSTANTIALLY VERTICAL END FACES, WHICH COMPRISES POSITIONING A HORIZONTAL BACK-UP MEMBER UNDER THE SPACE BETWEEN SUCH END FACES ADJACENT THE BOTTOM THEREOF, SECURING AUXILIARY METAL MEMBERS TO THE OPPOSITE SIDES OF SAID PRIMARY MEMBERS TO PROVIDE A CAVITY BOUNDED BY THE UPPER SURFACE OF SAID BLACK-UP MEMBERS, SUCH END FACES AND THE INNER SURFACES OF SAID AUXILIARY MEMBERS, MOUNTING A MOLD ON THE TOP OF SAID PRIMARY MEMBERS TO EFFECTIVELY ELEVATE SUCH CAVITY, INSERTING A FUSIBLE METAL ELECTRODE IN SUCH CAVITY, CONNECTING SUCH ELECTRODE AND AT LEAST ONE OF SAID MEMBERS TO A SOURCE OF WELDING CURRENT, AND FUSION WELDING ALL OF SUCH MEMBERS TOGETHER WITH SUCH ELECTRODE WHILE SIMULTANEOUSLY FILLING THE CAVITY WITH WELD METAL.
Claim 2
Dependent Claim
128 words
METHOD OF FUSION WELDING SUBSTANTIALLY HORIZONTAL PRIMARY METAL MEMBERS HAVING HORIZONTALLY SPACED SUBSTANTIALLY VERTICAL END FACES, WHICH COMPRISES POSITIONING A HORIZONTAL BACK-UP MEMBER UNDER THE SPACE BETWEEN SUCH END FACES ADJACENT THE BOTTOM THEREOF, SECURING AUXILIARY METAL MEMBERS TO THE OPPOSITE SIDES OF SAID PRIMARY MEMBERS TO PROVIDE A CAVITY BOUNDED BY THE UPPER SURFACE OF SAID BLACK-UP MEMBERS, SUCH END FACES AND THE INNER SURFACES OF SAID AUXILIARY MEMBERS, MOUNTING A MOLD ON THE TOP OF SAID PRIMARY MEMBERS TO EFFECTIVELY ELEVATE SUCH CAVITY, INSERTING A FUSIBLE METAL ELECTRODE IN SUCH CAVITY, CONNECTING SUCH ELECTRODE AND AT LEAST ONE OF SAID MEMBERS TO A SOURCE OF WELDING CURRENT, AND FUSION WELDING ALL OF SUCH MEMBERS TOGETHER WITH SUCH ELECTRODE WHILE SIMULTANEOUSLY FILLING THE CAVITY WITH WELD METAL.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-26 | 1968-10-26 | 1969-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-26 | 1972-10-26 | 1973-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-26 | 1976-10-26 | 1977-04-27 | $7700.00 | Window Closed / Lapsed |